In September 2017, the World Curling Federation membership voted overwhelmingly to change the Free Guard Zone (FGZ) rule as of the 2018-19 season to the five-rock FGZ rule, a change from the four-rock rule that has been in place in Canada since 2002, and the rest of the WCF since 1993.

Canadian teams will have a chance to add to an already impressive 2017-18 world championship medal haul when the 2018 World Mixed Doubles and World Senior Men’s and Women’s Curling Championships begin Saturday in Östersund, Sweden.

LAS VEGAS — Team Canada lost three round-robin games at the 2018 361° World Men’s Curling Championship, presented by Ford of Canada, and potentially has the chance to avenge all three defeats in the playoffs at Orleans Arena.